Amazon got where it is in the general marketplace by building winning products. It then used that incumbency to be the obvious choice to expand into the public

Amazon got where it is in the general marketplace by building winning products. It then used that incumbency to be the obvious choice to expand into the public sector, competing with largely incompetent companies. It's the same thing when USG buys efficient, highly-optimized products like, say, regular pickup trucks polarises and such for fleets, rather than paying LockMart/NG/Boeing/BAE to build them a custom "non-tactical advanced transport device".